Cell Thumb Replaces Writer’s Bump: Changing Times, Changing Callouses

Lindgren, Aleksandra L; Austin, Andrea Hui; Welsh, Kathleen M.

doi:10.1159/000505310

Cited by 1 publication

(2 citation statements)

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“…• Fibroblastic tumour Tumour cells are elongated with scant pink cytoplasm and vesicular nuclei and very rare mitotic figures 27 Writer's bump 29 Prayer's nodule 18 Drummer's digit 12 Cell thumb 29 Guitarist's finger 59,60 • Callus…”

Section: Histopathologymentioning

confidence: 99%

“…The manifestations predominate on the users' hands and fingers. 29,30,[61][62][63] Related to cultural practices Indigenous cultural practices, religious customs and type of clothing also play a key role in causation of a friction related skin diseases and are especially relevant in the Indian setting. 7,8,15,18,[31][32][33][34][35][36][37][38][39][40][41][42][43][44]64 Miscellaneous Certain clinically distinct frictional dermatoses are not specific to any category.…”

Section: Occupationalmentioning

confidence: 99%

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Current understanding of frictional dermatoses: A review

Arora¹,

Khandpur

Bansal

et al. 2022

IJDVL

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Human skin is continually exposed to internal and external forces, dynamic as well as static. The skin is normally flexible and can resist mechanical trauma due to friction, pressure, vibration, suction and laceration to a considerable degree. However, an excess of these forces can abnormally affect the structure and function of the skin, setting the stage for the development of a skin disorder. Repetitive trauma can cause lichenification, hyperpigmentation, erythema, scaling, fissuring, blisters, ulceration and chronic alterations. Frictional dermatoses is an under-recognised entity with no clear-cut definition and encompasses a variety of terms such as frictional dermatitis, frictional melanosis, frictional pigmentary dermatoses and certain other named entities, many of which are confusing. The authors propose to define frictional dermatoses as ‘a group of disorders caused by repetitive trauma to the skin as a result of friction of varied aetiology which can have a wide range of cutaneous manifestations depending on the type of insult.’ The exact prevalence of frictional dermatoses as a separate entity is unknown. Authors who conducted this review include a group of dermatologists and post graduate students from various institutions. Literature was reviewed through PubMed, Medscape, Medline, ResearchGate and Google Scholar using the terms ‘frictional dermatitis,’ ‘friction and skin,’ ‘dermatoses and culture,’ ‘clothing dermatitis,’ ‘friction melanosis,’ ‘PPE induced dermatoses in COVID-19 era,’ etc. A total of 122 articles were reviewed and 100 articles among them were shortlisted and included in the study, after removing duplications. The review was followed up with further deliberation which resulted in the formulation of a new definition and classification of frictional dermatoses taking into account the morphology, histopathological characteristics, anatomical region affected and the major predisposing factors. The rising incidence of mechanical dermatoses in the COVID-19 era was also emphasised.

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